|Veröffentlichungsdatum||26. März 2013|
|Eingetragen||24. Jan. 2012|
|Prioritätsdatum||29. Juni 2006|
|Auch veröffentlicht unter||US8103563, US20080154624, US20120119922, WO2009076605A1|
|Veröffentlichungsnummer||13357581, 357581, US 8407115 B2, US 8407115B2, US-B2-8407115, US8407115 B2, US8407115B2|
|Ursprünglich Bevollmächtigter||Carina Technology, Inc.|
|Zitat exportieren||BiBTeX, EndNote, RefMan|
|Patentzitate (46), Nichtpatentzitate (4), Referenziert von (3), Klassifizierungen (22), Juristische Ereignisse (4)|
|Externe Links: USPTO, USPTO-Zuordnung, Espacenet|
This application is a continuation of U.S. application Ser. No. 11/955,010, titled “System and Method for Monitoring, Controlling and Displaying Utility Information”, filed Dec. 12, 2007 by Adrian O'Neil, which is a continuation in part of non-provisional patent application U.S. patent application Ser. No. 11/824,131, entitled “System and Method for Controlling a Utility Meter” and filed on Jun. 29, 2007, which claims the benefit under 35 USC 119(e) to U.S. provisional patent application No. 60/817,487, entitled “Ethernet Meter Device and System.” All of the above listed patent documents are fully incorporated herein by reference.
The present invention relates generally to the field of utility service provision, and specifically to a system and method for monitoring and displaying utility usage by a customer. The invention provides a long range, communication independent, collar-based, device with associated software and firmware, capable of power supply output, electric service disconnect/reconnect, limiting current, metering information, and communicating with and controlling local area network devices for provision of application functions desirable in the utility industry. The invention further allows utility service providers the ability to obtain real time metering information via a collar-mounted device that is installed between the existing meter socket and the electric meter.
Most utility providers measure the usage of energy or gas or water through devices called meters. These meters may be electro-mechanical or electronic or a combination of both. Most utilities obtain monthly meter readings for the purposes of rendering a bill based on the consumption measured by the meter. Obtaining meter readings can be a laborious and costly process for the utility, as historically meter reading required individuals going house to house and manually reading the meter and recording the results.
Recently, newer technologies have allowed for remote automation of the meter reading process. These technologies include public and private network communications, fixed radio frequency (RF) meter reading, meter reading over a power line carrier and even satellite meter reading. These meter reading technologies are centered on the process of obtaining a monthly meter reading, which is part of the larger system process of billing. As technology continues to expand toward increased data throughput and reducing size and cost of the required devices, expanding capabilities of meter information have emerged, resulting in changes in the way utilities think of metering information.
Previously, devices performing these automatic metering functions were required to use one specific communication methodology protocol. Most devices were only capable of one way communication, i.e., from the meter back to the utility. Existing metering technologies have focused on the measuring function of meter reading and have not considered other important aspects of the electric system networks that are dynamically occurring at the customer premises. The present invention takes advantage of the broadband technologies now available to render to the utility, and to the customer, vital information about the quality of the electric service being provided.
A disadvantage of the historical metering approach is that metering has been viewed as only the “cash register” for the utility. Hence utilities have not been focused on the benefits of communicating to the meter, and instead have targeted merely receiving information from the meter. Utilities typically render a bill to their customers monthly and the customers have no way of validating energy use unless they want to dispute the bill. With broadband technologies now available to the home, the present invention allows the utility to interrogate the electric system at the premises in near real time. This encompasses much more than meter reading or measuring voltage as historically performed, and also includes information about voltage anomalies, load profiling and estimation, and energy efficiency estimation. The present invention allows a true near-real-time diagnostic system of the utility service which now opens the door for a variety of applications to help not only the utility provide better service, but to also allow the customer for the first time to have the necessary information to help control energy consumption and improve efficiency.
The present invention is capable of communicating bi-directionally through a variety of communication platforms including, but not limited to, analog cell systems, digital cell systems, Ethernet, short range radio wireless, ZigBee, power line carrier, Hybrid-Fiber Coax, RF, WiFi, and WiMax. The system allows for the addition or substitution of other backhaul methodologies. More importantly, the present invention has reduced duplication of functionality, reduced equipment size and cost to achieve that functionality. The present invention further provides application functionality that currently does not exist, specifically the ability to read meters via Ethernet or other communications platforms and provide a power supply in the same collar device. Existing technology can read meters and store voltages for the purposes of measuring electric energy and voltage. The present invention takes that information and transforms it into intelligence for the utility and the customer.
There are many specific advantages offered by the present invention. Other meter reading devices read meter registers and voltage and transmit that information back to the utility via an Ethernet network. These devices include an Ethernet connection in the meter itself. Therefore, in order to add functionality to the devices, the existing meters must be replaced. Because the present invention is collar-based, it can be used with existing meters.
The present invention provides the utility customer access to the same, real-time information available to the utility. This capability is achieved through a customer interface unit (CIU) located in the premises that allows the customer to view metering information including: voltage current information; power quality information including voltage transients; power factor, harmonics; energy usage information; and even anticipated energy consumption, over a specified time period.
The information may be communicated wirelessly or through the power line carrier between the collar-based meter device and the internal customer display unit in a real time environment. This information includes real time kilowatt hours, voltage profile, total harmonics distortion and power factor. This information is measured over a 1 minute, 5 minute, 15 minute interval basis, or variable time basis. The voltage profile may be presented over the same time frames as well. Temperature inside the collar device is also available. The system of the present invention includes the ability to display energy consumption by appliance and provide the utility the opportunity to utilize the system for demand side management and supports a new level of energy education at the customer level.
In one embodiment, the system provides for pre-pay power, and the collar relay can automatically connect or disconnect power to a customer as required. The system provides intelligent remote control of utility meters via wireless or other communications means. A display unit communicatively coupled to the collar displays customer utility usage data.
In one embodiment, power may be disconnected based on customer account status. When the account is restored to a positive account balance, a control processor receives the restored account information from a utility control server using a network interface, the control processor displays the restored account information using the display unit, the control processor subsequently receives a confirmation to restore power from the customer via a customer input device at said customer premises, and the control processor controls the relay to restore power to the customer premises in response to receiving the confirmation to restore power.
In one embodiment, the customer interface device may enable the customer to monitor current usage in dollars as well as KWh. Estimated time to depletion of the account may be shown as well as utility company determined alarms at predetermined countdown milestones. Upon depletion of funds, the meter will automatically disconnect power to the home and send a disconnected status back to the utility billing system. Payments for prepaid power may be made through utility company regular methods of payment and a positive account balance will be communicated from the utility system server software prompting an automatic “arm for reconnect” status. A reconnect button on the customer interface device will enable the customer to turn power back on.
For purposes of summarizing the invention, certain aspects, advantages, and novel features of the invention have been described herein. It is to be understood that not necessarily all such advantages may be achieved in accordance with anyone particular embodiment of the invention. Thus, the invention may be embodied or carried out in a manner that achieves or optimizes one advantage or group of advantages as taught herein without necessarily achieving other advantages as may be taught or suggested herein.
These and other embodiments of the present invention will also become readily apparent to those skilled in the art from the following detailed description of the embodiments having reference to the attached figures, the invention not being limited to any particular embodiment(s) disclosed.
The present invention is described with reference to the accompanying drawings. In the drawings, like reference numbers indicate identical or functionally similar elements.
The present invention and its advantages are best understood by referring to the drawings. The elements of the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the invention.
Embodiments of the present disclosure generally pertain to systems and methods for reading and controlling utility meters.
The collar 103 connects between a standard utility meter socket housing 108 and utility meter 102 and communicates via a network 105 with a billing server 106, a data server 107, and an access device 109. An end customer 101 accesses CIU data 523 [
The access device 109 provides user interfaces at the utility (not shown) for functions such as hardware configuration, monitoring and control, system administration, interfaces to other electronic systems, historical archiving, alarm generation and message forwarding, and report generation. The access device 109 may be any suitable computer known in the art, and in one embodiment is a “thin client” device which depends primarily on the data server 107 for processing activities, and focuses on conveying input and output between the utility user (not shown) and the data server 107.
The network 105 may be of any type network or networks known in the art, such as Ethernet, analog cellular, digital cellular, short range radio wireless, Wifi, WiMax, broadband over power line, coaxial cable, and the like. The network 105 may be any combination of hardware, software, or both.
In some embodiments of the invention, Wide Area Network (WAN) methodologies will be utilized for communicating information and control over the network 105. The type of W AN will determine whether a Local Area Network (LAN) is necessary. In situations in which the WAN requires ongoing communication charges (i.e. GSM1GPRS), in which a WAN connection will not be available at all of the meters 102, or in which the cost of the WAN hardware is prohibitive, a LAN may be established between the local vicinity collars 103 and other utility-related devices (such as load management devices, solid state thermostats, etc. (not shown)) to reduce the number of WAN end points (not shown) required in the network 105.
In one embodiment of the system 100, the customer 101 of a utility service pre-pays for his utility services. This can be done in a form of a check, cash, credit card, ATM card, or other form of payment approved by the utility service. When a customer 101 pre-pays for his utility services, the billing server 106 stores data indicative of any unapplied payments. “Unapplied payments” refers to amounts that have been pre-paid but not yet applied to the customer's billing account.
As noted herein, the meter management logic 214 and the meter data 223 are shown in
The processing unit 204 may be a digital processor or other type of circuitry configured to run the meter management logic 214 by processing and executing the instructions of the meter management logic 214. The processing unit 204 communicates to and drives the other elements within the collar 103 via a local interface 206. Furthermore, the collar input device 208 provides a direct interface to collar components as may be required, for example, for troubleshooting purposes or to download firmware directly to processing unit 204. The collar input device 228 may be software, hardware, or a combination thereof.
In addition, the collar output device 224, for example, a universal serial bus (USB) port, wireless IR antenna, or other type network device, connects the collar 103 with the network 105 for communication with the billing server 106 and/or data server 107 (
The meter management logic 214 performs a daily read of the meter 102 via the meter interface 210 and stores such meter data 223 obtained in memory 202. The meter interface 210 connects the collar 103 to meter 102 (
The meter management logic 214 also retrieves customer data 323 [
The meter management logic 214 also sends commands to the utility connect/disconnect relay device 209, which connects and disconnects utility services to a premises (not shown) upon command from the utility service provider based upon its rules or automatically, as may be the case for a pre-pay customer whose credit has been exhausted. The utility has the flexibility to allow the relay device 209 to perform the disconnection/reconnection functions automatically (via the meter management logic 214) or with utility-based business rules. For example, if the weather is too cold or the individual is on a fixed income, the utility may desire the flexibility to elect to waive the automatic disconnection capability.
The meter management logic 214 may also be used as a current limiting method to restrict usage to the customer 101 to a predetermined threshold level, either on a per-day total usage level or a real-time load level. If the customer 101 exceeds the predetermined threshold level, the meter management logic 214 triggers the relay to disconnect the power. The utility connect/disconnect relay device 209 may be software, hardware, or a combination thereof.
The meter management logic 214 may also report power outages to the utility service provider, and may count and report any momentary power outages. The meter management logic 214 may also sample and log line voltage over time, so that voltage profile reports can be generated. The period of sampling, sampling rate, alarm thresholds, and repeat alarms are some of the parameters configurable by the utility.
The meter management logic 214 may also sample and log customer demand over time, so that user demand reports can be generated. The sampling period and sampling rate are some of the parameters configurable by the utility. The meter management logic 214 may also control the customer's appliances (not shown) and other powered devices (not shown) to reduce customer demand for the utility's or the customer's benefit. Control duration, bandwidth of control, override by the customer, and confirmation of device actions are some of the parameters configurable by the utility service provider.
The meter management logic 214 may also trigger alarms to third-party communications devices (not shown) including, but not limited, to cell phones, PDAs, computers, IVRs, pagers, and radios. Alarm events, alarm times, alarm formats, and alarm recipients are some of the parameters configurable by the utility service provider.
The meter management logic 214 may also detect customer tampering with utility equipment including the collar 103, and report to the utility service provider any such tampering. The utility service provider will define what parameters constitute tampering, alarms, and alarm recipients. The meter management logic 214 may also provide configurable system alarms and/or interfacing to customer-owned equipment.
The meter management logic 214 may calculate a forward daily available power based upon the customer 101's credit balance, historical average daily usage, and daily average determinants. The meter management logic 214 allows a utility service provider to incorporate fixed monthly charges along with the actual usage by utilizing different rate structures to allocate these fixed charges on a daily basis based on the current day's rate tariff. The meter management logic 214 may perform certain calculations regarding the customer 101's utility usage for display on the CIU 104. Examples of such calculations are: the dollars remaining in the customer 101's account; the estimated days remaining based upon current utility usage; the current usage-per-hour; the customer 101's usage for the previous 24 hours; the customer 101's usage for the previous 7 days; and the customer 101's usage for the previous 30 days.
In certain situations, the meter management logic 214 may operate in a “pass through mode,” in which the collar 103 ignores disconnect commands and other commands from the billing server 106. The pass through mode may be utilized, for example, when a collar 103 is installed at a premises that is not using the functionality of the system 100. An example of this is an apartment complex in which all of the units are set up with a collar 103 and CIU 104 to be used in conjunction with a particular utility service; however, an individual tenant in a deregulated state may choose a different utility service. In that instance, the collar is essentially “dead,” and no commands from the hilling server 106 are implemented.
Meter data 223 may comprise customer usage history, billing history, and other such data. Meter data 223 further may comprise payment history received from billing server 106. Meter data 223 further may comprise data indicative of the monthly calculated bill. One embodiment of the meter data 223 is illustrated in
As illustrated in the exemplary embodiment of
The dollars remaining register 250 comprises data indicative of the credit remaining in the customer 101's account (not shown). The estimated days remaining register 251 comprises data indicative of the number of days or hours of pre-paid service remaining, based upon the customer 101's customary usage patterns. The current usage-per-hour register 252 comprises data indicative of the actual dollars-per-hour and/or kilowatts-per-hour usage rate the customer 101 is experiencing at any given time. Alternatively or in addition, the current usage-per-hour register 252 may comprise data in kilo-watts per hour. The 24-hour usage register 253 comprises data indicative of the dollar value of the power used within the previous twenty-four (24) hours, in terms of dollars. Alternatively or in addition, the 24-hour usage register 253 may comprise data indicative of the amount of power in kilowatt-hours used within the previous twenty-four (24) hours. The 7-day usage register 254 comprises data indicative of the dollar value of the power used within the last seven (7) days. Alternatively or in addition, the 7-day usage register 254 may comprise data indicative of the amount of power in kilowatt-hours used within the previous seven (7) days. The 30-day usage register 255 comprises data indicative of the dollar value of the power used within the last thirty (30) days. Alternatively or in addition, the 30-day usage register 255 may comprise data indicative of the amount of power in kilowatt-hours used within the previous thirty (30) days.
The rate tariff register 256 comprises data indicative of the current rate tariffs (for example, in cents per kilowatt hour) of the applicable utility. Some utilities have variable rate pricing in which the rates are higher during peak usage times and lower during lower usage times. The CIU 104 may display the current rate so that a customer 101 can, for example, check the rate before using certain appliances and may thus decide to defer use until a cheaper rate is in effect.
The standard message register 257 comprises data indicative of predefined messages (not shown) that the utility (not shown) may desire to transmit to the customer 101. Such messages may be transmitted from the billing server 106 via the data server 107 to the collar 103 and may be displayed on the CIU 104. Examples of such standard messages are impending disconnect warnings, reconnect notifications, and the like.
Some utilities offer “demand side management,” in which the utility can control major appliances of the homeowner to redistribute peak power usage to off-peak time. For example, the utility may elect to turn of a customer's water heater for two hours during peak usage time. The utility could, for example, send a standard message to the customer 101 to notify it that the water heater will be off for a period of time.
The special message register 258 comprises data indicative of special (i.e. ad hoc) messages that the utility (not shown) may desire to transmit to the customer 101. Examples of such special messages are inclement weather notices, and the like. The register read register 259 comprises data indicative of the contents of all of the above-described registers.
Collar 103 comprises a housing (not shown) with load carrying terminals that interface with the meter socket housing 108 and meter 102. Collar 103 may also comprise an optional battery, current measuring circuitry, and one or more antennas (not shown).
The utility processing unit 304 may be a digital processor or other type of circuitry configured to run the remote meter management logic 314 by processing and executing the instructions of the remote meter management logic 314. The utility processing unit 304 communicates to and drives the other elements within the billing server 106 via the local interface 306. Furthermore, the utility input device 308 can be used to input data from a user (not shown) of the billing server 106. An exemplary utility input device 308 may include, but is not limited to, a keyboard device, a switch, a mouse, a serial port, scanner, camera, microphone, or other type of interface or local access network connection. An exemplary output device 324 may include, but is not limited to, a computer display.
In the exemplary billing server 106 of
The remote meter management logic 314 downloads the customer data 323 from the collar 103 via the utility communication device 312 and stores such customer data 323 obtained in memory 302. The utility communication device 312 interfaces between the billing server 106 and the network 105 and may comprise software, hardware, or a combination thereof. The utility communication device 312 may consist of, for example, a LAN radio, a WAN radio, a universal serial bus (USB) port, or other devices suitable for connection to the network 105.
In one embodiment, the remote meter management logic 314 is software written with “web services.” “Web services” refers to an open standard based web application. A web services application can communicate over the internet with another web services application using a standard XML messaging system.
The remote meter management logic 314 also receives the meter data 223 (
The remote meter management logic 314 may further determine that a particular customer's account has been depleted and may generate a utility service disconnect notification for transmission to the collar 103 and ultimately for display on the CIU 104.
The remote meter management logic 314 further processes payments by the customer 101 and sends updated account information to the customer 101 via the collar 103 to the CIU 104. The remote meter management logic 314 may further delay, override and/or suspend service disconnects based upon new payments made by the customer 101 or other factors.
The remote meter management logic 314 may also generate one or more predetermined countdown milestones (not shown), which milestones are used by the meter management logic 214 to generate warnings to the customer 101 of an upcoming utility disconnect unless additional funds are deposited with the utility. Alternatively, the predetermined countdown milestones may be generated within the collar 103. The predetermined countdown milestones are configurable by the utility (not shown).
The customer data 323 may comprise data indicative of amounts pre-paid by a customer, usage history billing information, the customer name, account number, usage data, and the like.
The server data 423 comprises data describing characteristics of at least one meter 102 [
In the exemplary data server 107 of
Server logic 414 manages data flow between the collar 103 and the billing server 106. In addition, the server logic 414 manages data flow from the access device 109 and the collar 103. The data server 107 further comprises collar interface logic 413. In one embodiment, collar interface logic 413 as shown is software stored in memory 402.
During operation, the server logic 414 receives from the billing server 106 a request for a meter read. The server logic 414 stores data in server data 423 indicative of the read request. When such data is stored in server data 423, the collar interface logic 413 transmits a request to the collar 103 [
In addition to doing meter reads, the server logic 414 downloads data indicative of payment history corresponding to a customer 101 to the collar 103. The server logic 414 further integrates with the billing server 106 to accept payments from the customer 101 for prepaid power. The server logic 414 facilitates the transmission of payment data to the collar 103, which messages (not shown) related to payment data to the CIU 104.
The server logic 414 further may initiate commands to override a scheduled disconnect upon prompting by the billing server 106 or the collar 103. The server logic 414 further may postpone a scheduled disconnect for a period of time. By way of example, suppose the customer 101's utilities are scheduled to be disconnected in one day's time, but the next day is a weekend or holiday in which reconnection may be scheduled. The utility may choose to postpone or override a scheduled disconnect, and would input this data via the utility server 106
The server logic 414 further may transmit to the collar 103 the standard messages and special messages (not shown) initiated by the utility from the billing server 106 for display on the CIU 104, as further discussed herein. Alternatively the standard messages and special messages may be initiated within the collar 103.
An exemplary data input device 408 may include, but is not limited to, a keyboard device, serial port, scanner, camera, microphone, or local access network connection. An exemplary data output device 424 may include, but is not limited to, a computer display.
The cm processing unit 504 may be a digital processor or other type of circuitry configured to run the CIU logic 514 by processing and executing the instructions of the CIU logic 514. The CIU processing unit 504 communicates to and drives the other elements within the CIU 104 via a local interface 506, which can include one or more buses. Furthermore, a CIU input device 508, for example, a keypad, a switch, a mouse, and/or other type of interface, can be used to input data from a customer 101 [
In the exemplary CIU 104 of
The CIU logic 514 downloads the CIU data 523 from the collar 103 via the utility communication device 512 and stores such CIU data 323 obtained in memory 502. The CIU communication device 512 interfaces between the CIU 104 and the collar 103 and may comprise software, hardware, or a combination thereof. CIU communication device 512 may comprise any number of communications mediums known in the art, for example a wireless solution such as ZigBee 802.11b or through power line carrier (PLC), or the like,
The CIU data 523 may include metering data such as voltage and current data, power quality data including voltage transients, harmonics, power factor analysis, energy usage data and anticipated energy consumption over a specified time period in the future or historical consumption in the past. The CIU data 523 may also consist of messages to the customer 101 regarding its pre-pay usage, such as how many days of power remain, or that a power disconnect is pending.
As illustrated in
An exemplary CIU input device 508 may include, but is not limited to, a keyboard device, keypad, touch screen, switch, serial port, scanner, camera, microphone, web portal, cellular telephone, wireless personal digital assistant, or local access network connection.
In some embodiments of the invention, customer 101 may input certain information into the input device 508, such as an acknowledgement of a message received from the utility. For example, the CIU output device 524 may display to the customer 101 the standard message 557 that the utility service will be disconnected in three (3) days and the device 524 may display the standard message 557 requesting that the customer 101 acknowledge receipt of this information by pressing a button (not shown) on the input device 508. Once the customer 101 acknowledges receipt of the message, the utility has positive proof of notification of an impending shutdown.
By way of another example, once a customer 101 whose service has been disconnected pays money to the utility so that his account has a positive balance, the CIU output device 524 may display to the customer 101 the standard message 557 that the system is ready to reconnect power upon acknowledgment by the customer 101. The customer 101 may acknowledge his readiness to receive reconnection of utility service by pressing a button on the input device 508.
An exemplary output device 524 may include, but is not limited to, a computer display, an LCD, a cellular phone or wireless display device (such as a personal digital assistant (PDA)) for displaying text messages. The exemplary output device 524 may also include an audible alarm, which may, for example, be used in conjunction with a storm warning or may accompany a message of impending service disconnect.
An exemplary CIU 104 according to one embodiment of the present disclosure comprises a housing (not shown) about six (6) inches wide by four (4) inches high by one (1) inch deep. The housing comprises a built in display device 524 in the form of an LCD and an input device 508 in the form of buttons (not shown). For example, the buttons may comprise a button for scrolling right, a button for scrolling left, a button for scrolling up, a button for scrolling down, and a centrally-located “enter” button disposed between the buttons for scrolling.
In some embodiments of the invention, the meter management logic 214 carries out procedures of certain utility service providers to provide advance notice(s) to the customer of an impending service disconnect, and such notice(s) may be displayed on the CIU 104. Further, some utility service providers require customers to acknowledge an impending service disconnect, and customers may use the CIU 104 [
In addition to the embodiments described herein, the present invention may also be in the form of a utility meter 102 with all of the features of the present invention that are described as residing in collar 103 instead incorporated into the utility meter 102.
This invention may be provided in other specific forms and embodiments without departing from the essential characteristics as described herein. The embodiment described is to be considered in all aspects as illustrative only and not restrictive in any manner.
As described above and shown in the associated drawings and exhibits, the present invention comprises a collar-based system and method for monitoring and displaying utility information. While particular embodiments of the invention have been described, it will be understood, however, that the invention is not limited thereto, since modifications may be made by those skilled in the art, particularly in light of the foregoing teachings. It is, therefore, contemplated by the appended claims to cover any such modifications that incorporate those features or those improvements that embody the spirit and scope of the present invention.
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|US-Klassifikation||705/34, 705/38, 705/30|
|Internationale Klassifikation||H04M15/00, G06Q40/00, G07F19/00, G07B17/00|
|Unternehmensklassifikation||Y02B90/241, Y04S20/40, Y02B90/245, Y04S20/32, G01D4/002, Y02B90/244, H04L12/14, G06Q40/025, Y04S20/44, G01D4/008, H04L12/1453, G06Q30/04, Y04S20/46, Y04S20/327, G06Q40/12|
|18. Febr. 2013||AS||Assignment|
Owner name: CARINA TECHNOLOGY, INC., ALABAMA
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Owner name: CARINA TECHNOLOGY, INC., ALABAMA
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